Question

definition in proteins

Answer 1

Hey mate, here is your answer =
Proteins are the compounds which have large chains of amino acids and essential for the muscles. They are large in size too.
Hope it helps u dear

Answer 2

any of a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, etc., and as enzymes and antibodies.
"a protein found in wheat"